Vue add watcher

Vue computed

var vm = new Vue({
  el: '#example',
  data: {
    message: 'Hello'
  },
  computed: {
    // a computed getter
    reversedMessage: function () {
      // `this` points to the vm instance
      return this.message.split('').reverse().join('')
    }
  }
})

Vue add watcher

vm.$watch('person.name.firstName', function(newValue, oldValue) {
	alert('First name changed from ' + oldValue + ' to ' + newValue + '!');
});

Source: codingexplained.com

Similar codes

0 vote182 views1 answer
How to replace an array vue.js
Javascript Vue
-1 vote182 views2 answers
How to call function from another component in vue js
Javascript Vue
0 vote199 views1 answer
Electron vue printer
Javascript Vue
1 vote190 views1 answer
Vue get data from method
Javascript Vue
3 votes201 views2 answers
Vue fetch api
Javascript Vue
0 vote179 views1 answer
Laravel vue global function
Javascript Vue
8 votes205 views2 answers
Get params from route vuejs
Javascript Vue
7 votes231 views2 answers
Vue watch handler
Javascript Vue
2 votes183 views1 answer
Open route in new tab vue router
Javascript Vue
3 votes149 views2 answers
Vue event
Javascript Vue